Discover Open Source Alternatives to Popular Software

Strapi

The next-gen headless CMS, open-source, javascript, enabling content-rich experiences to be created, managed and exposed to any digital device.

• Stars

  59,989

• Forks

  7,518

• Last commit

  4 days ago

PostHog

PostHog provides open-source product analytics, session recording, feature flagging and A/B testing that you can self-host.

• Stars

  17,192

• Forks

  1,017

• Last commit

  1 day ago

Dub

The open-source link management infrastructure for modern marketing teams to create, share, and track short links.

• Stars

  16,155

• Forks

  1,582

• Last commit

  1 day ago

Cal.com

Scheduling infrastructure for absolutely everyone.

• Stars

  28,667

• Forks

  6,518

• Last commit

  1 day ago

InboxZero

Open source email app to reach inbox zero fast.

• Stars

  1,899

• Forks

  145

• Last commit

  1 day ago

Supabase

An open source Firebase alternative. Start your project with a Postgres database, Authentication, instant APIs, Edge Functions, Realtime subscriptions, Storage, and Vector embeddings.

• Stars

  66,015

• Forks

  6,167

• Last commit

  1 day ago

Rustdesk

An open-source remote desktop, and alternative to TeamViewer.

• Stars

  63,053

• Forks

  6,885

• Last commit

  1 day ago

Ghost

Independent technology for modern publishing, memberships, subscriptions and newsletters.

• Stars

  45,733

• Forks

  9,958

• Last commit

  2 days ago

NetData

The open-source observability platform everyone needs!

• Stars

  68,165

• Forks

  5,718

• Last commit

  1 day ago

Rocket.Chat

The communications platform that puts data protection first.

• Stars

  38,848

• Forks

  9,903

• Last commit

  4 days ago

Discourse

A platform for community discussion. Free, open, simple.

• Stars

  40,496

• Forks

  8,134

• Last commit

  1 day ago

AppFlowy

AppFlowy is an open-source alternative to Notion. You are in charge of your data and customizations. Built with Flutter and Rust.

• Stars

  48,800

• Forks

  3,181

• Last commit

  1 day ago

Gitea

Git with a cup of tea! Painless self-hosted all-in-one software development service, including Git hosting, code review, team collaboration, package registry and CI/CD

• Stars

  41,964

• Forks

  5,186

• Last commit

  22 hours ago

Joplin

Joplin - the secure note taking and to-do app with synchronisation capabilities for Windows, macOS, Linux, Android and iOS.

• Stars

  42,933

• Forks

  4,648

• Last commit

  1 day ago

Plausible

Simple, open source, lightweight (< 1 KB) and privacy-friendly web analytics alternative to Google Analytics.

• Stars

  18,340

• Forks

  966

• Last commit

  2 days ago

N8N

Free and source-available fair-code licensed workflow automation tool. Easily automate tasks across different services.

• Stars

  40,730

• Forks

  5,023

• Last commit

  1 day ago

TiDB

TiDB is an open-source, cloud-native, distributed, MySQL-Compatible database for elastic scale and real-time analytics.

• Stars

  36,137

• Forks

  5,715

• Last commit

  2 days ago

AppWrite

Build like a team of hundreds_

• Stars

  41,062

• Forks

  3,712

• Last commit

  2 days ago

Hoppscotch

Open source API development ecosystem

• Stars

  60,120

• Forks

  4,169

• Last commit

  6 days ago

Flowise AI

Build LLM Apps Easily. Open source low-code tool for developers to build customized LLM orchestration flow & AI agents.

• Stars

  24,067

• Forks

  12,446

• Last commit

  2 days ago